明朝成(chéng )化年间，朝纲腐败(bài )，奸邪当(dāng )道(dào )。西厂东(dōng )厂为宦官把持，混(hún )淆黑(hēi )白，陷害忠良，朝(cháo )野内外噤若寒蝉。时有(yǒu )赵怀安（李连杰 饰）等流亡剑客(kè )挺身而出(chū )，接连铲除东厂数名奸佞，致令阉贼胆战心(xīn )惊(jīng )。适值此时，风头正劲的西厂